Dispensing – With heating or cooling means – Cooling only
Patent
1976-04-27
1978-01-10
Reeves, Robert B.
Dispensing
With heating or cooling means
Cooling only
222326, 222563, 219230, 219535, B65D 8300, B29F 308
Patent
active
040674819
ABSTRACT:
A removable heat sleeve for use in hand-holdable gun for facilitating longitudinal extrusion of a thermoplastic-type medium from a removable self-contained storage cartridge container therefor in response to piston pressure along the longitudinal axis of the container comprises a first heat reflective sleeve surrounding the cartridge container for reflecting heat toward the hollow heating sleeve interior for providing a controlled temperature thereto, an electric heating coil surrounding the first heat reflective sleeve for heating the hollow heat sleeve interior to the controlled temperature in response to voltage applied thereto, and a first heat transmissive removable burst shield sleeve within the interior of the first heat reflective sleeve and at least partially surrounding the heat sleeve surrrounded cartridge container to provide a complete burst shield enclosure for the container for physically isolating the heat sleeve first reflective sleeve and heating coil from the container to prevent fouling thereof in the event of burst of the cartridge container while enabling heating of the thermoplastic-type medium within the cartridge container to the controlled temperature. Thus, the thermoplastic-type piston pressure actuated extrusion may be readily accomplished independent of the outside ambient temperature of the storage container therefor.
REFERENCES:
patent: 3121516 (1964-02-01), Dewees et al.
patent: 3190502 (1965-06-01), Knibb
patent: 3231716 (1966-01-01), Van Den Bosch
patent: 3369714 (1968-02-01), Dewees et al.
patent: 3872281 (1975-03-01), Krieg et al.
Handren Frederick R.
Reeves Robert B.
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